Insong Choe (최인송) Visitor (2023.3.1-2024.2.28) from Konkuk University Office: B255
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Speaker Guolei Zhong IBS-CCG In this talk, we discuss the structure of projective varieties with certain positive tangent sheaves. More precisely, when the tangent sheaf is almost nef or positively curved, we construct a well-defined MRC fibration and study the Fujita decomposition of reflexive sheaves. Besides, we show that the almost nefness of … |
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Speaker Gil Bor CIMAT Place a point light source inside a smooth convex billiard table (or mirror). The n-th caustic by reflection is the envelope of light rays after n reflections. Theorem: each of these caustics, for a generic point light source, has at least 4 cusps. Conjecture: there are exactly 4 cusps …
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Speaker Gil Bor CIMAT At first sight, the pair of front and back wheel tracks left by a passing bike on a sandy or muddy terrain seems like a random pair of curves. This is not the case. For example, one can usually distinguish between the front and back wheel tracks, and even … |
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Speakers Gil Bor (CIMAT) Andreas Cap (U. Vienna) Sean Curry (Oklahoma State U.) Mike Eastwood (U. Adelaide) Jaehyun Hong (IBS-CCG) Jun-Muk Hwang (IBS-CCG) Sung Yeon Kim (IBS-CCG) Ilya Kossovskiy (Masaryk U.) Boris Kruglikov (U. Tromso) Omid Makhmali (PAS-CTP) Benjamin McMillan (IBS-CCG) Tohru Morimoto (Nara Women's U.) Igor Zelenko (Texas A&M) Abstracts PDF file Schedule Oct. … |
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Speaker Yotsutani Naoto Kagawa University In 2001, Donaldson proved that if a polarized manifold (X, L) admits constant scalar curvature Kähler metrics in c1(L), then (X, L) is asymptotically Chow stable whenever its automorphism group Aut(X, L) is discrete. In this talk, we show that this result does not hold in the case … |
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Speaker Seungjae Lee IBS CCG In this talk, we investigate the L2-Dolbeault cohomology of the symmetric power of cotangent bundles of ball quotients with finite volume, as well as their toroidal compactification. As a result, we establish a version of L2-Hodge decompostion for complex hyperbolic space forms with finite volume, under some mild … |
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